The Japanese grudgingly agreed to Perry’s demands, and the two sides signed the Treaty of Kanagawa on March 31, 1854. According to the terms of the treaty, Japan would protect stranded seamen and open two ports for refueling and provisioning American ships: Shimoda and Hakodate.Click to see full answer. In this regard, how did Japan benefit from the Treaty of Kanagawa quizlet?Japan and USA concluded a treaty at Kanagawa in which Japan agreed to: maintain friendly/permanent relations with USA, open two ports to Americans for trade, protect shipwrecked Americans, accept American consul to reside at Shimoda, grant USA same privileges to other nations in future treaties.Secondly, what were the main provisions of the Treaty of Kanagawa? The terms and provisions of the Kanagawa Treaty were: Peace and friendship between the United States and Japan and the exchange of diplomatic agents. Allowed for a US Consul in Shimoda. Opening two ports to American ships at Shimoda and Hakodate. what were the effects of the Treaty of Kanagawa? In Tokyo, Commodore Matthew Calbraith Perry, representing the U.S. government, signs the Treaty of Kanagawa with the Japanese government, opening the ports of Shimoda and Hakodate to American trade and permitting the establishment of a U.S. consulate in Japan.Why did the Treaty of Kanagawa happen?The Treaty of Kanagawa. On March 31, 1854, the first treaty between Japan and the United States was signed. The Treaty was the result of an encounter between an elaborately planned mission to open Japan and an unwavering policy by Japan’s government of forbidding commerce with foreign nations.